What if we could stay young forever? It may be a fantasy, but age management is big business and some people will stop at nothing to roll back the years. Pills, scans, injections, extreme diets and brain training - there's a vast array of apparent solutions on the market - but do they work and are they safe? Is age "reversal" possible?
Researchers have shown that mice and lesser organisms are capable of living much longer than that normal lifespan, but do the same growth mechanisms apply to humans. Could 120 become the new 80?
Peter Bowes investigates for BBC World News:
What if...we could stay young forever? from Peter Bowes on Vimeo.